11112102211 has 8 divisors (see below), whose sum is σ = 12703979520. Its totient is φ = 9521333448.

The previous prime is 11112102193. The next prime is 11112102227. The reversal of 11112102211 is 11220121111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11112102211 - 2²⁷ = 10977884483 is a prime.

It is a super-2 number, since 2×11112102211² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11112102191 and 11112102200.

It is not an unprimeable number, because it can be changed into a prime (11112102251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255541 + ... + 295846.

It is an arithmetic number, because the mean of its divisors is an integer number (1587997440).

Almost surely, 2^11112102211 is an apocalyptic number.

11112102211 is a deficient number, since it is larger than the sum of its proper divisors (1591877309).

11112102211 is an equidigital number, since it uses as much as digits as its factorization.

11112102211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554273.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11112102211 its reverse (11220121111), we get a palindrome (22332223322).

The spelling of 11112102211 in words is "eleven billion, one hundred twelve million, one hundred two thousand, two hundred eleven".